Compilare: user.cpp: In function ‘int unu(int)’: user.cpp:33:21: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int m,st=1,dr=n,ok=0; ^ user.cpp: In function ‘int doi(int)’: user.cpp:54:21: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int m,st=1,dr=n,ok=0; ^ user.cpp: In function ‘int main()’: user.cpp:75:20: warning: unused variable ‘st’ [-Wunused-variable] int v[100005], st, dr, mij, i, n, m, w, ok=0, x; ^ user.cpp:75:24: warning: unused variable ‘dr’ [-Wunused-variable] int v[100005], st, dr, mij, i, n, m, w, ok=0, x; ^ user.cpp:75:28: warning: unused variable ‘mij’ [-Wunused-variable] int v[100005], st, dr, mij, i, n, m, w, ok=0, x; ^ user.cpp:75:45: warning: unused variable ‘ok’ [-Wunused-variable] int v[100005], st, dr, mij, i, n, m, w, ok=0, x; ^